BPSC TRE – Multimedia: Audio & Text | Test 1 ⋆ CSE Study247

Question 1

MCQ · Single Correct 1 mark

What is the minimum sampling rate required according to the Nyquist-Shannon Sampling Theorem to accurately reconstruct an audio signal with a maximum frequency component of 22.05 kHz?

A 22.05 kHz B 44.1 kHz C 88.2 kHz D More than one of the above E None of the above

Question 2

MCQ · Single Correct 1 mark

In digital audio processing, what does the term 'Bit Depth' directly determine?

A The dynamic range and number of discrete amplitude levels per sample B The maximum frequency that can be captured C The speed at which the audio file plays back D More than one of the above E None of the above

Question 3

MCQ · Single Correct 1 mark

What is the approximate uncompressed file size of a 1-minute stereo audio recording sampled at 44.1 kHz with 16-bit resolution?

A 5.29 MB B 21.16 MB C 10.58 MB D More than one of the above E None of the above

Question 4

MCQ · Single Correct 1 mark

Which of the following audio file formats uses Lossless compression?

A MP3 B AAC C FLAC (Free Lossless Audio Codec) D More than one of the above E None of the above

Question 5

MCQ · Single Correct 1 mark

What is the primary operational difference between MIDI data and digital audio data?

A MIDI contains musical performance instructions (note-on, pitch, velocity) rather than actual recorded sound waveforms. B MIDI files are much larger in size than uncompressed WAV digital audio files. C MIDI can only record vocal vocals, whereas digital audio records instruments. D More than one of the above E None of the above

BPSC TRE – Multimedia: Audio & Text | Test 1

Question 1

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Question 2

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Question 3

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Question 4

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Question 5

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